Explosion -proof electric gourds are partially different from ordinary electric gourds. Explosion -proof electric gourds are mainly used in flammable and explosive dangerous places, while ordinary electric gourds are not available. The main materials of explosion -proof gourd reducer: The box cover is HT200 casting. 04-08 The tooth shaft is 20CRMNTI; 09 gear is 40CR. In fact, explosion -proof electric gourds are made on the basis of ordinary electric gourds. They are the same in terms of lifting. The difference is the material and accessories of the electric gourd. Explosion -proof electric gourds can be suitable for flammable and explosive dangerous places, and the product performance is better.